Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849370 | Anodizable strain layer for SOI semiconductor structures | David B. Spratt, Robert L. Virkus, Kenneth E. Bean, Richard L. Yeakley | 1989-07-18 |
| 4810667 | Dielectric isolation using isolated silicon by limited anodization of an N+ epitaxially defined sublayer in the presence of a diffusion under film layer | David B. Spratt, Richard L. Yeakley | 1989-03-07 |